They involve demonstrations and tests of the ship's systems and performance.

It involves regular tests on grass, water, even cows milk.

A complete hearing evaluation involves several other tests as well.

Most of his work involved static tests, which are a standard procedure today, before a flight-test.

Some game shows involve word games, and others involve tests of skill or general knowledge.

Faster methods involving enzymes, immunological or genetic tests are under development.

It involves tests with multiple devices from different equipment vendors.

It may involve chemical tests, physical tests, or performance tests.

Much of Aschoff's later work involved tests on human subjects.

They involved simple tests of divergent thinking and other problem-solving skills, which were scored on: